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Equity (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017 | Mar. 31, 2017
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | $ (222,000,000) |  |  |  |
Stockholders' Equity Attributable to Parent |  | $ 3,305,000,000 |  | 3,305,000,000 |  |  | $ 2,465,000,000 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 4,845,000,000 | $ 5,700,000,000 |  |  |
Net income |  | 191,000,000 | $ 261,000,000 | 1,384,000,000 | 509,000,000 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest |  | 90,000,000 | 88,000,000 | 311,000,000 | 298,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  | (45,000,000) | 80,000,000 | (160,000,000) | 127,000,000 |  |  |
Total change in derivative fair value, net of income tax |  | 36,000,000 | 6,000,000 | 99,000,000 | 8,000,000 |  |  |
Total pension adjustments, net of income tax |  | 1,000,000 | 7,000,000 | 5,000,000 | 20,000,000 |  |  |
Cumulative effect of a change in accounting principle (1) | [1] | 168,000,000 | 31,000,000 | 168,000,000 | 31,000,000 |  |  |
Temporary Equity, Other Changes | [2] |  |  | (4,000,000) | (19,000,000) |  |  |
Contributions from noncontrolling interests |  |  |  | 6,000,000 | 17,000,000 |  |  |
Distributions to noncontrolling interests |  |  |  | (253,000,000) | (261,000,000) |  |  |
Disposition of businesses (3) | [3] |  |  | (250,000,000) | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 18,000,000 | 12,000,000 |  |  |
Dividends declared on common stock |  |  |  | (172,000,000) | (158,000,000) |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | 20,000,000 | 69,000,000 |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | 115,000,000 |  |  |
Temporary Equity, Net Income |  |  |  | 3,000,000 | 9,000,000 |  |  |
Ending Balance |  | 5,709,000,000 | 6,179,000,000 | 5,709,000,000 | 6,179,000,000 |  |  |
Additional Paid in Capital |  | 8,328,000,000 |  | 8,328,000,000 |  |  | 8,501,000,000 |
Accumulated Other Comprehensive Income (Loss), Net of Tax |  | (2,020,000,000) |  | (2,020,000,000) |  | $ (1,857,000,000) | $ (1,876,000,000) |
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | (232,000,000) |  |  |  |
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | 9,000,000 |  |  |  |
Accumulated Translation Adjustment [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | (231,000,000) |  |  |  |
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | 0 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Total pension adjustments, net of income tax |  |  |  | 5,000,000 |  |  |  |
Parent [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 2,465,000,000 | 2,794,000,000 |  |  |
Net income |  |  |  | 1,075,000,000 | 181,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | (232,000,000) | 117,000,000 |  |  |
Total change in derivative fair value, net of income tax |  |  |  | 64,000,000 | 5,000,000 |  |  |
Total pension adjustments, net of income tax |  |  |  | 5,000,000 | 1,000,000 |  |  |
Cumulative effect of a change in accounting principle (1) | [1] | 87,000,000 | 31,000,000 | 87,000,000 | 31,000,000 |  |  |
Temporary Equity, Other Changes | [2] |  |  | (4,000,000) | (19,000,000) |  |  |
Contributions from noncontrolling interests |  |  |  | 0 | 0 |  |  |
Distributions to noncontrolling interests |  |  |  | 0 | 0 |  |  |
Disposition of businesses (3) | [3] |  |  | 0 | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 18,000,000 | 12,000,000 |  |  |
Dividends declared on common stock |  |  |  | (172,000,000) | (158,000,000) |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | (1,000,000) | 22,000,000 |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | 200,000,000 |  |  |
Temporary Equity, Net Income |  |  |  | 0 | 0 |  |  |
Ending Balance |  | 3,305,000,000 | 3,186,000,000 | 3,305,000,000 | 3,186,000,000 |  |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 2,380,000,000 | 2,906,000,000 |  |  |
Net income |  |  |  | 309,000,000 | 328,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | 72,000,000 | 10,000,000 |  |  |
Total change in derivative fair value, net of income tax |  |  |  | 35,000,000 | 3,000,000 |  |  |
Total pension adjustments, net of income tax |  |  |  | 0 | 19,000,000 |  |  |
Cumulative effect of a change in accounting principle (1) | [1] | 81,000,000 | 0 | 81,000,000 | 0 |  |  |
Temporary Equity, Other Changes | [2] |  |  | 0 | 0 |  |  |
Contributions from noncontrolling interests |  |  |  | 6,000,000 | 17,000,000 |  |  |
Distributions to noncontrolling interests |  |  |  | (253,000,000) | (261,000,000) |  |  |
Disposition of businesses (3) | [3] |  |  | (250,000,000) | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 0 | 0 |  |  |
Dividends declared on common stock |  |  |  | 0 | 0 |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | 21,000,000 | 47,000,000 |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | (85,000,000) |  |  |
Temporary Equity, Net Income |  |  |  | 3,000,000 | 9,000,000 |  |  |
Ending Balance |  | $ 2,404,000,000 | $ 2,993,000,000 | $ 2,404,000,000 | $ 2,993,000,000 |  |  |
Alto Maipo [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent |  |  |  |  |  |  |  | $ 196,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Additional Paid in Capital |  |  |  |  |  |  |  | 229,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  |  | $ (33,000,000)
[1] | See Note 1—Financial Statement Presentation, New Accounting Standards Adopted for further information.
[2] | Adjustment to record the redeemable stock of Colon at fair value.
[3] | See Note 17—Held-for-Sale and Dispositions for further information.

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